Quiet Zone White 30" Wide 2 Speed Under Cabinet Range Hood California Title 24 Acceptable Engineered for extremely quiet operation to keep annoying fan noise to a whisper Can be mounted with vertical or horizontal ducting using included duct collar and back draft damper for 3 1/4" X 10" ducting Can be mounted with 7" round ducting using duct collar and damper sold separately; #E-22A Can be installed in a ductless format with charcoal odor filters sold separately; #CF-08 Includes 26 watt high efficacy fluorescent lamp about as bright as a 100 watt incandescent bulb to illuminate the cooking surface.